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FREE AND STUDY GAMES ABOUT SHEET METAL EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -69 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: The general rule for finding the proper rivet diameter is
Answer:
three times the thickness of the thickest sheet
Question 2: What is the most common method of cementing transparent plastics?
Answer:
soak method Question 3: Composite fabric material is considered to be the strongest in what direction?
Answer:
warp Question 4: Heat-treated rivets in the D and DD series that are not driven within the prescribed time after heat treatment or removal from refrigeration
Answer:
must be heat treated before use
Question 5: The monocoque fuselage relies largely on the strength of
Answer:
skin or covering Question 6: The classification for high tensile strength fiberglass used in aircraft structures is
Answer:
S-glass
Question 7: Which rivet is used for riveting magnesium alloy structures?
Answer:
5056 aluminum
Question 8: The markings on the head of a Dzus fastener identify the
Answer:
body diameter, type of head, and length of fastener
Question 9: You can distinguish between aluminum and aluminum alloy by
Answer:
testing with a 10 percent solution of caustic soda Question 10: Fiberglass laminate damage not exceeding the first layer or ply can be repaired by
Answer:
filling with a putty consisting of a compatible resin and clean, short glass fibers.Question 11: On a sheet metal fitting layout with a single bend, allow for stretching by
Answer:
subtracting the setback from both legs Question 12: The identifying marks on the heads of aluminum alloy rivets indicate the
Answer:
specific alloy used in the manufacture of the rivets
Question 13: The most important factors needed to make a flat pattern layout are
Answer:
radius, thickness, and degree of bend
Question 14: A well-designed rivet joint will subject the rivets to
Answer:
Shear loads
Question 15: (Refer to Figure 7.) What is dimension F?
Setback at D = .095 Setback at E = .068 Bend allowance at D = .150 Bend allowance at E = .112
Answer:
5.936 Question 16: The length of a rivet to be used to join a sheet of .032-inch and .064-inch aluminum alloy should be equal to
Answer:
one and one-half times the rivet diameter plus .096 inch Question 17: Which of the following need not be considered when determining minimum rivet spacing?
Answer:
Rivet length
Question 18: Which is an identifying characteristic of acrylic plastics?
Answer:
Zinc chloride will have no effect
Question 19: The purpose of a joggle is to
Answer:
allow clearance for a sheet on an extrusion
Question 20: When repairing puncture-type damage to a metal-faced laminated honeycomb panel, the edges of the doubler should be tapered to
Answer:
100 times the thickness of the metal Question 21: If it is necessary to compute a bend allowance problem and bend allowance tables are not available, the neutral axis of the bend can be
Answer:
found by adding approximately one-half of the stock thickness to the bend radius.
Question 22: What is a rivet's grip length?
Answer:
the total thickness of the material held together by the rivet Question 23: How many MS20470 AD-4-6 rivets will be required to attach a 10 x 5 inch plate, using a single row of rivets, minimum edge distance, and 4D spacing?
Answer:
56 Question 24: Under certain conditions, type A rivets are not used because of their
Answer:
low strength characteristics Question 25: If a new safety belt is to be installed in an aircraft, the belt must conform to the strength requirements in which document?
Answer:
TSO C22
Question 26: A DD rivet is heat treated before use to
Answer:
soften to facilitate riveting
Question 27: The shop head of a rivet should be
Answer:
one and one-half times the diameter of the rivet shank